<template>
	<view>
		<view class="feedback-title">意见反馈：</view>
		<view class="feedback-content">
			<textarea class="feedback-textarea" v-model="content" placeholder="请输入您要反馈的问题" />
			</view>
		<view class="feedback-title">反馈图片：</view>
		<view class="feedback-image-box">
			<view class="feedback-image-item" v-for="(item, index) in imgList" :key="index">
				<view class="close-icon" @click="delImg(index)">
					<uni-icons type="closeempty" size="18" color="#fff"></uni-icons>
				</view>
				<view class="image-box">
					<image :src="item.url" mode="aspectFill"></image>
				</view>
			</view>
			<view class="feedback-image-item" @click="addImg" v-if="imgList.length < 9">
				<view class="image-box">
					<uni-icons type="plusempty" size="50" color="#eee"></uni-icons>
				</view>
			</view>
		</view>
		<button class="feedback-button" type="primary" @click="submit">提交反馈意见 </button>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				imgList: [],
				content: ''
			}
		},
		methods: {
			addImg() {
				const self = this
				if (this.imgList.length > 9) return 
				uni.chooseImage({
					count: 9,
					success(res) {
						const { tempFilePaths, tempFiles } = res
						tempFilePaths.forEach((item, index) => {
							console.log(item)
							self.imgList.push({
								url: item
							})
						})
						console.log(res)
					}
				})
			},
			delImg(index) {
				this.imgList.splice(index, 1)
			},
		    async submit() {
				uni.showLoading()
				const len = this.imgList.length
				const imgPathList = []
				for(let i = 0; i < len; i++) {
					const filePath  = this.imgList[i].url
					const name = ((Math.random()).toString().slice(2,8)+ new Date().getTime()).toString()
					const imgPath =  await this.uploadFiles(filePath, name)
					imgPathList.push(imgPath)
				}
				this.$api.update_feedback({
					content: this.content,
					feedbackImages: imgPathList
				}).then((res) => {
					console.log(res)
					uni.hideLoading()
					uni.showToast({
						title: '提交反馈成功'
					})
					setTimeout(() => {
						uni.switchTab({
							url: '/pages/tabbar/my/my'
						})
					}, 1000)
					
				}).catch(() => {
					uni.showToast({
						title: '提交反馈失败，请重新提交',
						icon: 'none'
					})
				})
			},
			async uploadFiles(filePath, cloudPath) {
				const result = await uniCloud.uploadFile({
					cloudPath,
					filePath
				})
				return result
			}
		}
	}
</script>

<style lang="scss">
.feedback-title {
	margin: 15px;
	margin-bottom: 0;
	font-size: 14px;
	color: #666;
	
}

.feedback-content {
	margin: 15px;
	padding: 10px;
	box-sizing: border-box;
	border: 1px #eee solid;
	.feedback-textarea {
		font-size: 12px;
		width: 100%;
		height: 100px;
	}
}
.feedback-image-box {
	display: flex;
	flex-wrap: wrap;
	padding: 10px;
	.feedback-image-item {
		position: relative;
		width: 33.33%;
		height: 0;
		padding-top: 33.33%;
		box-sizing: border-box;
		.close-icon {
			display: flex;
			justify-content: center;
			align-items: center;
			position: absolute;
			right: 0;
			top: 0;
			width: 22px;
			height: 22px;
			border-radius: 50%;
			background-color: #ff5a5f;
			z-index: 2;
		}
		.image-box  {
			display: flex;
			justify-content: center;
			align-items: center;
			position: absolute;
			top: 5px;
			right: 5px;
			bottom: 5px;
			left: 5px;
			border: 1px #eee solid;
			border-radius: 5px;
			overflow: hidden;
			image {
				width: 100%;
				height: 100%;
			}
		}
	}
}
.feedback-button {
	margin: 0 15px;
	background-color: $mk-base-color;
}
</style>